With an increasingly crowded planet, how can we achieve sustainable development? Professor Jeffrey Sachs, director of the Earth Institute at Columbia University, explores the many challenges we face including poverty and globalization. He has been named one of Time Magazine's "100 Most Influential People in the World" several times. This talk is about 55 minutes.
Also an excerpt from Dana Milbank's book, "Homo Politicus, The Strange and Scary Tribes that Run Our Government." Duration about 44 minutes.
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